feat(playground): add new query button #3033

Job	Run time
rules	8s
publish-web	0s
lint-megalinter / lint-megalinter	3m 42s
test-dotnet	0s
test-python	0s
test-js	0s
test-php	0s
test-rust	0s
check-links-markdown	18s
test-elixir	0s
test-java	0s
test-prqlc-c	0s
test-rust-main	0s
check-links-book	0s
test-taskfile	0s
measure-code-cov	2m 11s
nightly	0s
build-devcontainer	0s
test-deps-min-versions	0s
test-grammars	0s
test-msrv	0s
time-compilation	0s
build-prqlc-c	0s
build-prqlc	0s
build-web / build-codemirror-demo	9s
build-web / build-web	5m 2s
check-ok-to-merge	2s
create-issue-on-nightly-failure	0s
	11m 32s

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